WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA

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CXUS51 KLWX 210620
CF6DCA
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   WASHINGTON NATIONAL DC
                                          MONTH:     APRIL
                                          YEAR:      2019
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 W

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  51  34  43  -9  22   0 0.00  0.0    0 11.9 25 330   M    M   3        35 320
 2  50  39  45  -7  20   0 0.04  0.0    0  6.9 14  20   M    M   9        16  40
 3  72  38  55   2  10   0 0.00  0.0    0  9.6 26 280   M    M   1        35 290
 4  69  44  57   4   8   0 0.00  0.0    0  3.5 12  50   M    M   7        13  50
 5  56  47  52  -1  13   0 0.09  0.0    0  8.1 16  80   M    M  10 18     19  90
 6  71  47  59   5   6   0    T  0.0    0  4.7 12  10   M    M   7 18     13  10
 7  75  51  63   9   2   0    T  0.0    0  7.4 16 170   M    M   7 1      21 150
 8  84  59  72  18   0   7 0.03  0.0    0  9.5 23 230   M    M   8 3      28 220
 9  81  61  71  16   0   6 0.01  0.0    0  9.3 25 340   M    M   8 1      33 330
10  72  50  61   6   4   0 0.00  0.0    0  8.5 21 300   M    M   4        29 330
11  62  49  56   1   9   0 0.00  0.0    0 11.3 20  60   M    M   8        24  50
12  73  49  61   5   4   0 0.05  0.0    0  6.5 20 170   M    M  10 1      22 170
13  77  63  70  14   0   5 0.37  0.0    0  5.5 15 170   M    M   9 13     17 170
14  77  63  70  14   0   5    T  0.0    0 10.7 23 190   M    M  10 13     29 180
15  75  47  61   4   4   0 0.72  0.0    0 15.5 39 200   M    M   6 13     55 200
16  69  44  57   0   8   0 0.00  0.0    0  8.2 17 220   M    M   5        21 300
17  71  56  64   7   1   0 0.00  0.0    0  8.7 17  90   M    M   7        21 120
18  80  55  68  10   0   3 0.00  0.0    0  9.2 22 180   M    M  10        27 170
19  76  66  71  13   0   6 0.31  0.0    0 14.3 24 190   M    M  10 13     30 170
20  74  61  68  10   0   3    T  0.0    0 14.2 25 200   M    M   8        33 210
================================================================================
SM 1415 1023       111  35  1.62     0.0 183.5          M      147
================================================================================
AV 70.8 51.2                               9.2 FASTST   M    M   7    MAX(MPH)
                                 MISC ---->  # 39 200               # 55  200
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:  WASHINGTON NATIONAL DC
                                          MONTH:    APRIL
                                          YEAR:     2019
                                          LATITUDE:   38 50 N
                                          LONGITUDE:  77  2 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 61.0   TOTAL FOR MONTH:   1.62    1 = FOG OR MIST
DPTR FM NORMAL:   5.8   DPTR FM NORMAL:   -0.42    2 = FOG REDUCING VISIBILITY
HIGHEST:    84 ON  8    GRTST 24HR  0.72 ON 15-15      TO 1/4 MILE OR LESS
LOWEST:     34 ON  1                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR     0.0         6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   0           7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   0    0.01 INCH OR MORE:   8
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   111    CLEAR  (SCALE 0-3)   2
DPTR FM NORMAL   -96    PTCLDY (SCALE 4-7)  10
TOTAL FM JUL 1  3558    CLOUDY (SCALE 8-10)  8
DPTR FM NORMAL  -325

[CDD (BASE 65) ]
TOTAL THIS MO.    35
DPTR FM NORMAL    24    [PRESSURE DATA]
TOTAL FM JAN 1    39    HIGHEST SLP M ON M
DPTR FM NORMAL    26    LOWEST  SLP 29.37 ON 15

[REMARKS]


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